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Nuclear Energy Explained: How does it work?

Nuclear Energy is a controversial subject. The pro- and anti-nuclear lobbies fight furiously, and it's difficult to decide who is right. So we're trying to clear up the issue - in this video we discuss how we got to where we are today, as the basis for discussion. Next week we'll be looking at the arguments for and against nuclear power in detail.

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Nuclear Energy Explained: How does it work?

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kurzgesagt

My life in a nutshell: “ it was there, it worked and it wasn’t terribly expensive” 2:05

hmmmmmmm

"Turning physics into engineering was easy on paper but hard in real life"
👏👏

tusharsule

If we do it well, nuclear power could save humanity and massively improve our development on all levels

jordy

I'm for a good mix of energy sources. Let's not bet everything on one horse and keep all options open.

minyaw

Our rejection of Nuclear power was a massive mistake, and the environment has payed dearly for it as we continue to rely on fossil fuels for our electricity

Jim_

2:00 same reasons my girlfriend is dating me

novaredstar

Thank you so much for this optimistic piece about nuclear power.
I just wanted to add more about the positive effects.
In the worst case scenarios of a massive earthquake and tidal wave with Fukushima no one died of radiation poisoning. But rather from the overreaction of the government not allowing people to return to their homes.
A lot of people could have returned to their homes with very few mitigating factors.
With Chernobyl, the RBMK reactors primary design was to create plutonium for nuclear weapons. Electricity was just a byproduct.
The accident occurred because of the reckless ambitions of the lead engineer on duty. The deaths were created by the Soviet government not being upfront about the disaster.
Just hundreds of feet away was reactor number three and then reactor number two and one. They kept running for about another 15 years.
In both these scenarios today there is tourism including people that are walking right up to the reactor for a limited amount of time.
Everyone knows that the news sells fear and anger. The news is part of the problem with keeping this truly green energy source from being deployed.
There are forces that want to make nuclear power so expensive it can never be bilt. Principle among them are oil companies.
The deaths and expense of global warming with its extreme weather is obvious and plays out everyday.
I'm excited about generation 4 reactors. They're about six different designs and they have about six different characteristics.
Some of the best characteristics are
-They're considered walk away safe.
-They burn more nuclear waste than they create.
-The waste is considered hazardous for far less time.
-They're non-proliferation so they can't be used for nuclear weapons.
- The designs are small and can be as common as a hospital. They take up the footprint of about a Walmart. A truly local power grid to accompany wind and solar.
This is truly the future that's going to power our electric cars and trucks. Some of the byproducts of nuclear power is creating hydrogen. This could power our airplanes, trains and ships.
I look forward to clean skies without smog or inversion layers.
I would much rather live next door to a nuclear power plant then a power plant admitting CO2 gas in other poisons and toxins.

BrianD

I am pro nuclear power. Nuclear power plants are almost completely safe if they are properly built. Most nuclear power plant accidents have been caused because something wasn't very well built or thought out.
For instance, the powerplant that exploded in 2011 in Japan was not ready for a tsunami.

Additionally, we simply dont have time to wait to have the perfect technology for nuclear power. Climate change is happening fast, and we need to do something!

erikdk

Who does this animation, i love it, reminds me of The Crash course animation

sebastianlucas

Kurzgesagt: Oil price skyrockets.

Now: Oil prices are negative.

brooksquid

"Ah, yes; lets harness the power of the sun to power our kettles!"

TheBakingSeal

I'm Nuclear supporter, because it is one of the cleanest energy but also can produce huge amount of power in a short time, meanwhile solar and wind energy are the best, but you need hundreds square miles of solar farm or wind farm to equally produce same amount of electricity compare to a single nuclear reactor.

ErnestJay

People, do some research - haven't any of you heard of Gen IV reactors? For example, the Integral Molten Salt Reactor or IMSR (made in Canada) is a completely different kind of reactor which:
1. Cannot melt down, as the fuel/salt mix is already in a molten state
2. Creates extremely small amounts of waste, which are only radioactive for a couple hundred years (instead of 20, 000!)
3. Can use spent Uranium as a fuel - or Thorium, which is as plentiful as lead, and safe enough to hold in your hand
4. Does not create usable bomb-making material (Plutonium) - so no proliferation problems
5. Is much smaller and less expensive than the huge outdated reactors in use all over the place
6. Is completely walk-away safe - so worst case scenario is that the plant shuts down and cools off by itself
... and many many more benefits

DanielGillis

Its extraordinary how much effort you guys put into these videos! Thank you for making them. They are both fun and educational to watch! I really enjoy them! Keep up the amazing work!👍😁

Evil_EmperorOfficial